<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" >
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <p>欢迎同学<strong th:text="${user}"></strong></p>
    <h2><a th:href="@{/qiangdao(name=${user})}">签到</a></h2>
    <h3>未签到同学</h3>
    <p th:each="name:${names}" th:text="${name}"></p>

</body>
</html>